Three days after So You Think You Can Dance choreographer Alex Da Silva was arrested for four counts of sexual assault, L.A. prosecutors said Tuesday that there is not enough evidence to pursue any charges,

TMZ.com reports.

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The salsa specialist was arrested Saturday after four of his former female students alleged he lured them to one of his homes and assaulted them between May 2003 and March 2009.

Da Silva, who had been in custody in lieu of $3.8 million bail, is expected to be released from jail Tuesday.

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L.A. police need to investigate further before charges can be filed, according to a district attorney spokeswoman, who also said that several new alleged victims have come forward but have yet to be interviewed.